I think Death Cab for Cutie is amazing

I don't know if progressive/alternative rock is your type exactly, but my friend just introduced me to a Danish band called Mew. I can't stop listening to them. They have the most unique sound I've heard in a long time. I bought their 2003 Frenger's album last week. It is fantastic and one of the songs "She Spider" is on the Spiderman soundtrack.

Threshold - Slipstream

Broken Hope - Dilation and Extraction

Immortal - Tyrants

Trouble - Come Touch The Sky

Drive - Pandilla

Death Angel - Discontinued

Darkthrone - Divided We Stand

Enchant - Elyse

Overkill - Time To Kill

Machine Head - A Farewell To Arms

Forbidden - Chalice of Blood

Novembers Doom - The Novella Reservoir

Realm - Fragile Earth

Sadus - Crazy

The Haunted - The Flood

The Acacia Strain - 4 x 4

Vader - Fields of Heads

Nasum - Stealth Politics

Dance Club Massacre - Murders Come With Smiles

Success Will Write Apocalypse Across The Sky - Cattle

Decapitated - Spheres of Madness

Blood Has Been Shed - Greetings From The Gallows

Vital Remains - Dechristianize

Year of Desolation - Running The Gauntlet

Melechesh - Double Helixed Sceptre

Nachtmystium - A Seed For Suffering

Windir - Black New Age

Cruentus - Universal Dementia

Dimmu Borgir - The Serpenting Offering

Setherial - Inhale The Embers

1349 - Nathicana

Anaal Nathrakh - Regression To The Mean

Behemoth - Before Aeons Came

Beneath The Massacre - Long Forgotten

Job For A Cowboy - Embedded

Machine Head - Aesthetics of Hate

PsyOpus - Happy Valentines Day

Nightrage - Reconcile

Daath - Subterfuge

Chimaira - Resurrection

Dying Fetus - Parasites of Catastrophe

Nailshitter - Arcane Malevolence

Sear - Weeping Flesh

 

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If you can ignore the story around it and just hear the music, the Daughtry album is actually pretty enjoyable. If you like the sort of nickelbackish rock.